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Merge pull request #148 from G10h4ck/unsanelan

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Removed flawed logic samenet/samesubnet
This commit is contained in:
Cyril Soler 2015-10-20 18:03:06 -04:00
commit 24a685f5a2
10 changed files with 4 additions and 348 deletions
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46
libretroshare/src/pqi/pqinetwork.cc
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@ -763,52 +763,6 @@ bool getLocalInterfaces(struct sockaddr_storage &existAddr, std::list<struct soc
return false;
}
bool sameNet(const struct in_addr *addr, const struct in_addr *addr2)
{
#ifdef NET_DEBUG
std::cerr << "sameNet: " << rs_inet_ntoa(*addr);
std::cerr << " VS " << rs_inet_ntoa(*addr2);
std::cerr << std::endl;
#endif
struct in_addr addrnet, addrnet2;
addrnet.s_addr = inet_netof(*addr);
addrnet2.s_addr = inet_netof(*addr2);
#ifdef NET_DEBUG
std::cerr << " (" << rs_inet_ntoa(addrnet);
std::cerr << " =?= " << rs_inet_ntoa(addrnet2);
std::cerr << ")" << std::endl;
#endif
in_addr_t address1 = htonl(addr->s_addr);
in_addr_t address2 = htonl(addr2->s_addr);
// handle case for private net: 172.16.0.0/12
if (address1>>20 == (172<<4 | 16>>4))
{
return (address1>>20 == address2>>20);
}
return (inet_netof(*addr) == inet_netof(*addr2));
}
bool isSameSubnet(struct in_addr *addr1, struct in_addr *addr2)
{
/*
* check that the (addr1 & 255.255.255.0) == (addr2 & 255.255.255.0)
*/
unsigned long a1 = ntohl(addr1->s_addr);
unsigned long a2 = ntohl(addr2->s_addr);
return ((a1 & 0xffffff00) == (a2 & 0xffffff00));
}
/* This just might be portable!!! will see!!!
* Unfortunately this is usable on winXP+, determined by: (_WIN32_WINNT >= 0x0501)
* but not older platforms.... which must use gethostbyname.